Benchmarks for dotnet/runtime#125506 (for @davidwrighton)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#125506.

Targets: ubuntu24_azure_ampere
Commits: main;PR_125506

• ubuntu24_azure_ampere: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for ubuntu24_azure_ampere

@davidwrighton

BenchmarkDotNet v0.16.0-nightly.20260226.451, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
Neoverse-N1, 8 physical cores
.NET SDK 10.0.100-rc.2.25502.107
  [Host]     : .NET 10.0.0 (10.0.0-rc.2.25502.107, 10.0.25.50307), Arm64 RyuJIT armv8.0-a

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1  

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Array	main	2048	407.2 ns	0.03 ns	1.09	-	NA
Array	PR #125506	2048	374.8 ns	1.06 ns	1.00	-	NA
List	main	2048	365.1 ns	0.10 ns	0.86	-	NA
List	PR #125506	2048	423.4 ns	0.39 ns	1.00	-	NA
ImmutableArray	main	2048	366.4 ns	0.14 ns	0.87	-	NA
ImmutableArray	PR #125506	2048	421.0 ns	0.35 ns	1.00	-	NA
Span	main	2048	371.8 ns	0.13 ns	0.90	-	NA
Span	PR #125506	2048	413.5 ns	0.17 ns	1.00	-	NA
ReadOnlySpan	main	2048	371.4 ns	0.05 ns	0.90	-	NA
ReadOnlySpan	PR #125506	2048	412.7 ns	0.16 ns	1.00	-	NA
Memory	main	2048	374.5 ns	0.06 ns	0.98	-	NA
Memory	PR #125506	2048	380.5 ns	0.16 ns	1.00	-	NA
ReadOnlyMemory	main	2048	414.5 ns	0.19 ns	1.11	-	NA
ReadOnlyMemory	PR #125506	2048	372.7 ns	0.06 ns	1.00	-	NA

---

BenchmarkDotNet v0.16.0-nightly.20260226.451, Linux Ubuntu 24.04.3 LTS (Noble Numbat)
Neoverse-N1, 8 physical cores
.NET SDK 10.0.100-rc.2.25502.107
  [Host]     : .NET 10.0.0 (10.0.0-rc.2.25502.107, 10.0.25.50307), Arm64 RyuJIT armv8.0-a

EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1  

Method	Toolchain	Size	Mean	Error	Ratio	Allocated	Alloc Ratio
Array	main	2048	178.9 ns	0.08 ns	0.99	-	NA
Array	PR #125506	2048	180.4 ns	0.06 ns	1.00	-	NA
List	main	2048	181.4 ns	0.08 ns	1.00	-	NA
List	PR #125506	2048	182.0 ns	0.04 ns	1.00	-	NA
ImmutableArray	main	2048	179.6 ns	0.07 ns	0.99	-	NA
ImmutableArray	PR #125506	2048	181.2 ns	0.11 ns	1.00	-	NA
Span	main	2048	178.0 ns	0.11 ns	1.00	-	NA
Span	PR #125506	2048	177.9 ns	0.06 ns	1.00	-	NA
ReadOnlySpan	main	2048	176.8 ns	0.07 ns	1.00	-	NA
ReadOnlySpan	PR #125506	2048	176.9 ns	0.05 ns	1.00	-	NA
Memory	main	2048	179.6 ns	0.06 ns	0.99	-	NA
Memory	PR #125506	2048	181.2 ns	0.01 ns	1.00	-	NA
ReadOnlyMemory	main	2048	182.3 ns	0.14 ns	1.00	-	NA
ReadOnlyMemory	PR #125506	2048	181.8 ns	0.09 ns	1.00	-	NA

Full logs